Magnifying Lamp               
Lens material:glass              
Lens size: 3.5"                
Diopter: 3D,8D bifocal lens
Supplied with electronic ballast                                   
Light: energy saving compact fluorescent lamp                 
Iuput voltage:110V-120V/220V-240V                                    
Power: 11W                            
Life of the lamp: 5000h   
Luminance: 1100Lux         
Colour available: white, black